html::-webkit-scrollbar {
    width: 0;
    height: 0;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

a {
    text-decoration: none;
}

input {
    outline: none;
}

ul {
    list-style: none;
}

.fl {
    float: left;
}

.fr {
    float: right;
}

.clearfix::before,
.clearfix::after {
    content: '';
    display: table;
}

/* 用双伪元素清除浮动 */
.clearfix::after {
    clear: both;
}

.dis-block,
.dis-top,
.dis-btm {
    display: inline-block;
}

.dis-top {
    vertical-align: top;
}

.dis-mid {
    vertical-align: middle;
}

.dis-btm {
    vertical-align: bottom;
}

.ellipsis {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.ellipsis-two,
.ellipsis-three {
    /* 超出部分隐藏 */
    overflow: hidden;
    /* 设置为 -webkit-box */
    display: -webkit-box;
    /* 垂直排列 */
    -webkit-box-orient: vertical;

}

.ellipsis-two {
    -webkit-line-clamp: 2;
    /* 显示的行数 */
}

.ellipsis-three {
    -webkit-line-clamp: 3;
    /* 显示的行数 */
}

input[type="password"] {
    -webkit-appearance: textfield;
}

input[type="password"]::-ms-reveal {
    display: none;
}